Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
Shear-Assisted Fabrication of Block Copolymer Agglomerates with Various Morphologies in Viscous Medium | |
Yang, Zongpeng1; Chen, Xiaoli2; Xu, Zhou1; Xiao, Meina1; Hong, Liangzhi1; Ngai, To3 | |
2017-03-21 | |
发表期刊 | LANGMUIR |
卷号 | 33期号:11页码:2829-2836 |
摘要 | In this work, we have investigated the effect of laminar flow shearing on the formation of block copolymer agglomerates in viscous medium. Under a laminar flow shearing, the block copolymer solution droplets were spontaneously emulsified and were then elongated into protofibers, which in turn transformed into particles with various morphologies. Besides micro-/nanorods, which were previously reported for homopolymers, sphere and sheetlike structures were unexpectedly fabricated from block copolymers depending on the solvent quality, solvent exchange rates, and the entanglement of the polymer chains. In partiailar, the sheet structure, fabricated from poly(ethylene glycol)-b-polystyrene (PEG-b-PS), can be fixed by UV irradiation when photo-crosslinkable azide groups were introduced onto the polystyrene block. Surprisingly, we found that the fixed sheetlike structures show demulsification capability in tens of seconds, which may have great potential application in the separation of oil from emulsions. |
文章类型 | Article |
WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
DOI | 10.1021/acsiangmuir.7b00119 |
研究领域[WOS] | Chemistry ; Materials Science |
关键词[WOS] | DRUG NANOPARTICLE FORMATION ; IN-WATER EMULSIONS ; ONE-STEP FORMATION ; PEG-B-PCL ; ENZYMATIC BIODEGRADATION ; BIOMEDICAL APPLICATIONS ; EFFICIENT SEPARATION ; TRIBLOCK COPOLYMERS ; MULTIPLE EMULSIONS ; DIBLOCK COPOLYMER |
收录类别 | SCI |
语种 | 英语 |
项目资助者 | National Natural Science Foundation of China(21374031 ; Fundamental Research Funds for the Central Universities ; 21574110) |
WOS类目 | Chemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000397478200016 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.giec.ac.cn/handle/344007/14091 |
专题 | 中国科学院广州能源研究所 |
作者单位 | 1.South China Univ Technol, Dept Polymer Mat Sci & Engn, Guangzhou 510640, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 3.Chinese Univ Hong Kong, Dept Chem, Hong Kong, Peoples R China |
推荐引用方式 GB/T 7714 | Yang, Zongpeng,Chen, Xiaoli,Xu, Zhou,et al. Shear-Assisted Fabrication of Block Copolymer Agglomerates with Various Morphologies in Viscous Medium[J]. LANGMUIR,2017,33(11):2829-2836. |
APA | Yang, Zongpeng,Chen, Xiaoli,Xu, Zhou,Xiao, Meina,Hong, Liangzhi,&Ngai, To.(2017).Shear-Assisted Fabrication of Block Copolymer Agglomerates with Various Morphologies in Viscous Medium.LANGMUIR,33(11),2829-2836. |
MLA | Yang, Zongpeng,et al."Shear-Assisted Fabrication of Block Copolymer Agglomerates with Various Morphologies in Viscous Medium".LANGMUIR 33.11(2017):2829-2836. |
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